Investigations are still ongoing into the mysterious implosion which occurred during a Titanic journey of the Titan submersible. Experts are trying to figure out the mystery of what caused the sub to fall which killed all five people aboard. Check out this video to find out more about the mystery of the implosion of the Titan submersible. https://www.youtube.com/watch?v=SXF6BY1AZ9ICopied!!